Public bug reported:
SW: Kubuntu Feisty (up-to-date)
HW: HP nw8240 with ATI FireGL V5000 PCIE (x700), 15.4" LCD (1920x1200, 145 DPI)
I update fesity daily, and after the update yesterday afternoon, my X
does not start any more. After the boot, when I should get kdm login
dialog, I just get blank screen.
When inspecting log file, it looks like that display is not detected any
more. After adding sync ranges to the Monitor section, I got X back, but
screen size was not detected properly, causing DPI to be set to 75
(instead of 145), making fonts really small. I have fixed this with
adding DisplaySize in monitor section. These are all the changes I had
to do:
--- xorg.conf 2007-03-08 08:11:44.000000000 +0100
+++ /etc/X11/xorg.conf 2007-03-08 08:19:31.000000000 +0100
@@ -108,6 +108,9 @@
Section "Monitor"
Identifier "Generic Monitor"
Option "DPMS"
+ HorizSync 28-96
+ VertRefresh 43-60
+ DisplaySize 330 210
EndSection
I have looked what have changed recently and it seems to me that recent update
of ati driver for bug 22985 might have caused that.
Note: I was one of the reporters of that bug, but it was fixed for me just
before Edgy release:
https://launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/22985/comments/72
** Affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: Unconfirmed
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regression: blank screen on hp nw8240 after last xorg driver update
https://launchpad.net/bugs/90571
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